Idina Menzel | Oscars 2014 performer

Idina Menzel | Oscars 2014 performer

Carolyn Cole / Los Angeles Times

Tony Award winner Idina Menzel will sing "Let It Go," written by Kristen Anderson-Lopez and Robert Lopez for Disney's animated musical "Frozen." The number is nominated for original song, and the film is nominated for animated feature.

Tony Award winner Idina Menzel will sing "Let It Go," written by Kristen Anderson-Lopez and Robert Lopez for Disney's animated musical "Frozen." The number is nominated for original song, and the film is nominated for animated feature. (Carolyn Cole / Los Angeles Times)

Tony Award winner Idina Menzel will sing "Let It Go," written by Kristen Anderson-Lopez and Robert Lopez for Disney's animated musical "Frozen." The number is nominated for original song, and the film is nominated for animated feature.